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Mention the relevant tracking issue next to my bit_set hack

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This commit is contained in:
Nadrieril 2023-12-19 18:14:34 +01:00
parent c6aa16c469
commit f6af7478ba
1 changed files with 2 additions and 0 deletions
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2
compiler/rustc_index/src/bit_set.rs
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@ -502,6 +502,7 @@ pub fn insert(&mut self, elem: T) -> bool {
};
#[cfg(not(feature = "nightly"))]
let mut words = {
// FIXME: unconditionally use `Rc::new_zeroed` once it is stable (#63291).
let words = mem::MaybeUninit::<[Word; CHUNK_WORDS]>::zeroed();
// SAFETY: `words` can safely be all zeroes.
let words = unsafe { words.assume_init() };
@ -567,6 +568,7 @@ pub fn remove(&mut self, elem: T) -> bool {
};
#[cfg(not(feature = "nightly"))]
let mut words = {
// FIXME: unconditionally use `Rc::new_zeroed` once it is stable (#63291).
let words = mem::MaybeUninit::<[Word; CHUNK_WORDS]>::zeroed();
// SAFETY: `words` can safely be all zeroes.
let words = unsafe { words.assume_init() };